Annual report pursuant to Section 13 and 15(d)

Note 13 - Commitments and Contingencies (Details Textual)

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Note 13 - Commitments and Contingencies (Details Textual) - USD ($)
 1 Months Ended 11 Months Ended 12 Months Ended
Dec. 05, 2018
Oct. 31, 2019
Oct. 31, 2019
Oct. 31, 2018
Jul. 31, 2019
Dec. 06, 2018
Operating Leases, Rent Expense, Net, Total $ 700,000 $ 4,400,000   $ 4,800,000    
Letters of Credit Outstanding, Amount   1,500,000 $ 1,500,000      
Standby Letters of Credit [Member]            
Line of Credit Facility, Maximum Borrowing Capacity           $ 7,500,000
Bank Account to Facilitate Administration of Claims [Member]            
Restricted Cash, Total       300,000 $ 300,000  
Accrued Liabilities and Other Liabilities [Member]            
Self-insurance, Accrued Expenses for Claims Incurred But Not Reported and Estimated Losses Reported   5,000,000 5,000,000 3,200,000    
Self-insurance, Accrued Expenses for Health Claims Incurred But Not Reoprted   1,100,000 1,100,000 1,000,000    
Capital Leases for Land and Buildings [member]            
Capital Lease Obligations, Total   $ 600,000 600,000 $ 800,000    
Minimum [Member]            
Operating Leases, Monthly Rent Payment     100      
Maximum [Member]            
Operating Leases, Monthly Rent Payment     $ 19,004